Ear plug



FIG. 1 is a front elevational view of the ear plug showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines are for the purpose of illustrating portions of the ear plug and form no part of the claimed design. 

CLAIM The ornamental design for an ear plug, as shown and described. 